One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； May 24th

2016-05-24View Original

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Multiple-choice question: The increase in temperature and pressure in the VCM conversion mixer using the calcium carbide method is due to ( ). A. The feed gas reacts violently. B. Hydrogen chloride contains free chlorine. C. The weather is hot. D. There is an excess of hydrogen chloride. Answer: BC

Reply #22016-05-24

The increase in temperature and pressure in the VCM conversion mixer using the calcium carbide method is due to (B). A. Intense reaction of the feed gas B. Free chlorine present in hydrogen chloride C. Hot weather D. Excess hydrogen chloride

Reply #32016-05-24

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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； May 24th

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